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进入5月份以来,我国长江流域雨水不断,沿江各地开始了紧张的防汛准备工作。又是一年防洪期,洪水年年来袭,难道人们对它就没有什么办法吗?我国是世界上洪水发生率最为频繁的国家之一。洪水灾害在我国分布很不均匀,主要集中在东部地区。目前,我国十分之一的国土总面积、约5亿人口、5亿亩耕地、100多座大中城市、全国70％的工农业总产值均受到洪水灾害的威胁。除了黄河凌汛期外,我国的洪水大都发生在7、8、9三个月期间,
Since May, the rainwater in the Yangtze River Valley in our country has been continuously flowing and intense flood control preparations have been started all over the country. Is it another one-year flood season, floods struck year after year, is it no way people do it? China is the world’s floods one of the most frequent countries. Flood disasters are unevenly distributed in our country, mainly in the eastern region. At present, one tenth of China’s total land area is about 500 million people, 500 million mu of cultivated land and over 100 large and medium-sized cities. The gross industrial and agricultural output value of 70% of the country is threatened by floods. In addition to the flood season in the Yellow River, most of the floods in China took place in the three months of July, August and September,